Manufacturing method, program, manufacturing system, multilayer collector, battery, moving body, and flight vehicle

Abstract

A manufacturing method of a multilayer collector is provided, comprising preparing a resin layer, and a laminate in which collectors including a first metal layer and a second metal layer arranged on both sides of the resin layer are laminated, arranging a tab on one of an upper surface side and a lower surface side of the laminate, and a Sub-tab on another, performing heat compression on a portion to be welded of the tab, the laminate, and the Sub-tab in a laminating direction, to elute resin of the resin layer in the portion to be welded, and performing resistance welding on the portion to be welded.

What is claimed is: 
     
         1 . A manufacturing method of a multilayer collector comprising:
 preparing a resin layer, and a laminate in which collectors including a first metal layer and a second metal layer arranged on both sides of the resin layer are laminated;   arranging a tab on one of an upper surface side and a lower surface side of the laminate, and a Sub-tab on another;   performing heat compression on a portion to be welded of the tab, the laminate, and the Sub-tab in a laminating direction, to elute resin of the resin layer in the portion to be welded; and   performing resistance welding on the portion to be welded.   
     
     
         2 . The manufacturing method of the multilayer collector according to  claim 1 , wherein in the performing heat compression, only the portion to be welded of the tab, the laminate, and the Sub-tab are subjected to heat compression in a laminating direction, to elute resin in the resin layer of the portion to be welded. 
     
     
         3 . The manufacturing method of the multilayer collector according to  claim 1 , wherein in the preparing, the laminate is prepared in which the collectors including the resin layer, the first metal layer, and the second metal layer, which has a thickness that satisfies a following numerical expression 1, are laminated:
 Numerical expression 1      
     
     
         4 . The manufacturing method of the multilayer collector according to  claim 2 , wherein in the preparing, the laminate is prepared in which the collectors including the resin layer, the first metal layer, and the second metal layer, which has a thickness that satisfies a following numerical expression 1, are laminated:
 Numerical expression 1      
     
     
         5 . The manufacturing method of the multilayer collector according to  claim 1 , wherein in the preparing, the laminate is prepared in which the collectors including a resin layer with a thickness of 3 to 7 μm, the first metal layer with a thickness of 0.1 to 2 μm, and the second metal layer with a thickness of 0.1 to 2 μm are laminated. 
     
     
         6 . The manufacturing method of the multilayer collector according to  claim 3 , wherein the portion to be welded has a circular shape with a diameter of 1 to 10 mm. 
     
     
         7 . The manufacturing method of the multilayer collector according to  claim 6 , wherein a diameter of the portion to be welded, a total of a thickness of the first metal layer and a thickness of the second metal layer, and a thickness of the resin layer satisfy a following numerical expression 2:
 Numerical expression 2      
     
     
         8 . The manufacturing method of the multilayer collector according to  claim 6 , wherein a diameter of the portion to be welded, a total of a thickness of the first metal layer and a thickness of the second metal layer, and a thickness of the resin layer satisfy a following numerical expression 3:
 Numerical expression 3      
     
     
         9 . The manufacturing method of the multilayer collector according to  claim 6 , wherein a diameter of the portion to be welded, a total of a thickness of the first metal layer and a thickness of the second metal layer, and a thickness of the resin layer satisfy a following numerical expression 4:
 Numerical expression 4      
     
     
         10 . The manufacturing method of the multilayer collector according to  claim 6 , wherein a diameter of the portion to be welded, a total of a thickness of the first metal layer and a thickness of the second metal layer, and a thickness of the resin layer satisfy a following numerical expression 5:
 Numerical expression 5      
     
     
         11 . The manufacturing method of the multilayer collector according to  claim 1 , wherein thermal contraction in TD direction of resin in the resin layer is 1% or less. 
     
     
         12 . The manufacturing method of the multilayer collector according to  claim 1 , wherein material of the first metal layer and the second metal layer is copper, and
 material of the resin layer is polyimide, polypropylene, polyethylene, polyphenylene sulfide, or polyethylene terephthalate.   
     
     
         13 . A program for causing a computer to perform a manufacturing method of a multilayer collector, the method comprising:
 preparing a resin layer, and a laminate in which collectors including a first metal layer and a second metal layer arranged on both sides of the resin layer are laminated;   arranging a tab on one of an upper surface side and a lower surface side of the laminate, and a Sub-tab on another;   performing heat compression on a portion to be welded of the tab, the laminate, and the Sub-tab in a laminating direction, to elute resin of the resin layer in the portion to be welded; and   performing resistance welding on the portion to be welded.   
     
     
         14 . A manufacturing method of a battery comprising:
 preparing a resin layer having a thickness of 3 to 7 μm and a laminate in which collectors including a first metal layer and a second metal layer each having a thickness of 0.1 to 2 μm arranged on both sides of the resin layer are laminated;   arranging a tab on one of an upper surface side and a lower surface side of the laminate, and a Sub-tab on another;   performing heat compression on a portion to be welded with a diameter of  1  to  10  mm of the tab, the laminate, and the Sub-tab in a laminating direction, to elute resin in the resin layer of the portion to be welded;   performing resistance welding on the portion to be welded to generate a multilayer collector; and   generating a battery of a flight vehicle having a solar panel and the battery mounted thereon that utilizes electrical power of the battery by using the multilayer collector.   
     
     
         15 . The manufacturing method of the battery according to  claim 14 , wherein in the generating the battery, the battery of a HAPS having the solar panel and the battery mounted thereon that flies in a stratosphere to provide wireless communication service on ground is generated by using the multilayer collector. 
     
     
         16 . A manufacturing system comprising:
 a laminate preparation unit that prepares a resin layer, and a laminate in which collectors including a first metal layer and a second metal layer arranged on both sides of the resin layer are laminated;   an arrangement unit that arranges a tab on one of an upper surface side and a lower surface side of the laminate, and a Sub-tab on another;   a heat compression unit that performs heat compression on a portion to be welded of the tab, the laminate, and the Sub-tab in a laminating direction, to elute resin of the resin layer in the portion to be welded; and   a welding unit that performs resistance welding on the portion to be welded.   
     
     
         17 . A multilayer collector in which a plurality of collectors are laminated with a tab arranged on one of an upper side and a lower side and a Sub-tab on another, the multilayer collector comprising:
 a first region that is not between the tab and the Sub-tab, including a resin layer intermediate between each of the plurality of collectors;   a second region that is between the tab and the Sub-tab, including a resin layer intermediate between each of the plurality of collectors; and   a third region that is between the tab and the Sub-tab, having less amount of resin intermediate between each of the plurality of collectors than an amount of resin in each resin layer between the plurality of collectors in the first region or having no resin intermediate between each of plurality of the collectors, the third region being subjected to resistance welding.   
     
     
         18 . A battery having the multilayer collector according to  claim 17 . 
     
     
         19 . A moving body having the battery according to  claim 18 . 
     
     
         20 . A flight vehicle having the battery according to  claim 18 .